1344678444 has 72 divisors (see below), whose sum is σ = 3715141248. Its totient is φ = 408245760.

The previous prime is 1344678437. The next prime is 1344678479. The reversal of 1344678444 is 4448764431.

It is a happy number.

1344678444 is a `hidden beast` number, since 134 + 4 + 6 + 78 + 444 = 666.

It is a super-2 number, since 2×1344678444² = 3616320235516522272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344678444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16467 + ... + 54410.

It is an arithmetic number, because the mean of its divisors is an integer number (51599184).

Almost surely, 2^1344678444 is an apocalyptic number.

It is an amenable number.

1344678444 is an abundant number, since it is smaller than the sum of its proper divisors (2370462804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344678444 is a wasteful number, since it uses less digits than its factorization.

1344678444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70935 (or 70930 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 1344678444 is about 36669.8574308655. The cubic root of 1344678444 is about 1103.7553313350.

The spelling of 1344678444 in words is "one billion, three hundred forty-four million, six hundred seventy-eight thousand, four hundred forty-four".